package com.special.threademo.common.pdf;

/**
 * @author LiuYC
 * @version 1.0.0
 * @create 2020-12-29 6:51
 */
public class PdfUtils {
    /**
     * @RequestMapping("/showPdf")
     * public String getpic( HttpServletRequest request, HttpServletResponse response) throws IOException {
     * File file = new File("C://Users//Administrator//Desktop//hello.pdf");
     * if (!file.exists()) {
     * request.setAttribute("error", "附件已删除或不存在");
     * // return "/error";
     * }
     * InputStream in = null;
     * OutputStream os = null;
     * try {
     * response.setContentType("application/pdf"); // 设置返回内容格式
     * in = new FileInputStream(file); //用该文件创建一个输入流
     * os = response.getOutputStream(); //创建输出流
     * byte[] b = new byte[1024];
     * while (in.read(b) != -1) {
     * os.write(b);
     * }
     * in.close();
     * os.flush();
     * os.close();
     * } catch (Exception e) {
     * try {
     * if (null != in) {
     * in.close();
     * }
     * } catch (IOException e1) {
     * e1.printStackTrace();
     * }
     * try {
     * if (null != os) {
     * os.close();
     * }
     * } catch (IOException e2) {
     * e2.printStackTrace();
     * }
     *
     *
     * }
     * return null;
     */
}
